From 9e0720a6c42da82bc0a24d17b097361a4bf9fd6d Mon Sep 17 00:00:00 2001
From: Robin Townsend <robin@robin.town>
Date: Thu, 22 Jul 2021 09:48:56 -0400
Subject: [PATCH] Rename zoom anchor variables for clarity

Signed-off-by: Robin Townsend <robin@robin.town>
---
 src/components/views/elements/ImageView.tsx | 24 ++++++++++-----------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/src/components/views/elements/ImageView.tsx b/src/components/views/elements/ImageView.tsx
index 4059277ea3..1979da5295 100644
--- a/src/components/views/elements/ImageView.tsx
+++ b/src/components/views/elements/ImageView.tsx
@@ -160,11 +160,11 @@ export default class ImageView extends React.Component<IProps, IState> {
         });
     };
 
-    private zoomDelta(delta: number, zoomX?: number, zoomY?: number) {
-        this.zoom(this.state.zoom + delta, zoomX, zoomY);
+    private zoomDelta(delta: number, anchorX?: number, anchorY?: number) {
+        this.zoom(this.state.zoom + delta, anchorX, anchorY);
     }
 
-    private zoom(zoomLevel: number, zoomX?: number, zoomY?: number) {
+    private zoom(zoomLevel: number, anchorX?: number, anchorY?: number) {
         const oldZoom = this.state.zoom;
         const newZoom = Math.min(zoomLevel, this.state.maxZoom);
 
@@ -175,7 +175,7 @@ export default class ImageView extends React.Component<IProps, IState> {
                 translationX: 0,
                 translationY: 0,
             });
-        } else if (typeof zoomX !== "number" && typeof zoomY !== "number") {
+        } else if (typeof anchorX !== "number" && typeof anchorY !== "number") {
             // Zoom relative to the center of the view
             this.setState({
                 zoom: newZoom,
@@ -190,20 +190,20 @@ export default class ImageView extends React.Component<IProps, IState> {
             let offsetY;
             switch (((this.state.rotation % 360) + 360) % 360) {
                 case 0:
-                    offsetX = this.image.current.clientWidth / 2 - zoomX;
-                    offsetY = this.image.current.clientHeight / 2 - zoomY;
+                    offsetX = this.image.current.clientWidth / 2 - anchorX;
+                    offsetY = this.image.current.clientHeight / 2 - anchorY;
                     break;
                 case 90:
-                    offsetX = zoomY - this.image.current.clientHeight / 2;
-                    offsetY = this.image.current.clientWidth / 2 - zoomX;
+                    offsetX = anchorY - this.image.current.clientHeight / 2;
+                    offsetY = this.image.current.clientWidth / 2 - anchorX;
                     break;
                 case 180:
-                    offsetX = zoomX - this.image.current.clientWidth / 2;
-                    offsetY = zoomY - this.image.current.clientHeight / 2;
+                    offsetX = anchorX - this.image.current.clientWidth / 2;
+                    offsetY = anchorY - this.image.current.clientHeight / 2;
                     break;
                 case 270:
-                    offsetX = this.image.current.clientHeight / 2 - zoomY;
-                    offsetY = zoomX - this.image.current.clientWidth / 2;
+                    offsetX = this.image.current.clientHeight / 2 - anchorY;
+                    offsetY = anchorX - this.image.current.clientWidth / 2;
             }
 
             // Apply the zoom and offset